Department:womens Date First Available:June 26, 2017 ASIN:B09VYN32L6 Imported TR90 frame Nylon lens Polarized FL-41 tint with 100% UVA/UVB blocking (UV400) coating Lens width: 50 millimeters Lens height: 38 millimeters Bridge: 19 millimeters Arm: 150 millimeters Designed for light sensitivity protection: TheraSpecs target blue light near 480nm, the most harmful wavelength for light-sensitive conditions like migraine, concussion, dry eyes, and vestibular disorders. Our advanced blue light filtering means your eyes and brain can feel protected even when exposed to triggering light. More sunlight protection: TheraSpecs sunglasses eliminate 92% of blue light at 480nm, more than typical sunglasses. They also filter more across a wide range of harmful blue light so you stay protected against natural sunlight and outdoor glare. Feel the difference: Tens of thousands of people have chosen TheraSpecs, and they have a 96% satisfaction rate for light sensitivity protection and symptom relief after 3 weeks of use. Thousands of headache specialists, neurologists, and physical and occupational therapists recommend TheraSpecs for their patients. Outdoor lenses: Outdoor TheraSpecs use dark FL-41 lenses, are polarized to reduce glare, and block 100% UVA/UVB light. Wear them outdoors in bright sunlight. Highly protective, lightweight frame: Classic TheraSpecs feature a glossy black finish and are made of ultra-lightweight TR-90 to minimize pressure on your face and head. Designed for those who do not need protection from light from the side but still want full protection from the front.